期刊
MOLECULES
卷 27, 期 19, 页码 -出版社
MDPI
DOI: 10.3390/molecules27196715
关键词
diabetes mellitus; advanced glycation end products (AGEs); protein cross link formation; Punica granatum peel; methylglyoxal
资金
- GA Society for Medicinal Plant and Natural Products Research
- Foundation Plants for Health
This study evaluated the pharmacological activities of several important plant constituents, including flavonoids and polyphenols, and found that they have potential therapeutic effects for the management of diabetes and its related complications.
Diabetes mellitus (DM) is a global health concern that is associated with several micro- and macrovascular complications. We evaluated several important medicinal plant constituents, including polyphenols and flavonoids, for alpha-glucosidase inhibition, AGEs' inhibitory activities using oxidative and no-oxidative assays, the inhibition of protein cross link formation, 15-lipoxydenase inhibition and molecular docking. The molecular docking studies showed high binding energies of flavonoids for transcriptional regulars 1IK3, 3TOP and 4F5S. In the alpha-glucosidase inhibition assay, a significant inhibition was noted for quercitrin (IC50 7.6 mu g/mL) and gallic acid (IC50 8.2 mu g/mL). In the AGEs inhibition assays, quercetin showed significant results in both non-oxidative and (IC50 0.04 mg/mL) and oxidative assays (IC50 0.051 mg/mL). Furthermore, quercitrin showed inhibitory activity in the non-oxidative (IC50 0.05 mg/mL) and oxidative assays (IC50 0.34 mg/mL). A significant inhibition of protein cross link formation was observed by SDS-PAGE analysis. Quercitrin (65%) and quercetin (62%) showed significant inhibition of 15-lipoxygenase. It was thus concluded that flavonoids and other polyphenols present in plant extracts can be effective in management of diabetes and allied co-morbidities.
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